GB1452396A - Twin-screw or multiscrew extruder for plasticising and mixing plastics materials - Google Patents

Twin-screw or multiscrew extruder for plasticising and mixing plastics materials

Info

Publication number
GB1452396A
GB1452396A GB133874A GB133874A GB1452396A GB 1452396 A GB1452396 A GB 1452396A GB 133874 A GB133874 A GB 133874A GB 133874 A GB133874 A GB 133874A GB 1452396 A GB1452396 A GB 1452396A
Authority
GB
United Kingdom
Prior art keywords
sections
screw
section
cartridges
screws
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB133874A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kleinewefers Industrie Co GmbH and Co KG
Original Assignee
Kleinewefers Industrie Co GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kleinewefers Industrie Co GmbH and Co KG filed Critical Kleinewefers Industrie Co GmbH and Co KG
Publication of GB1452396A publication Critical patent/GB1452396A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/484—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws with two shafts provided with screws, e.g. one screw being shorter than the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/51—Screws with internal flow passages, e.g. for molten material
    • B29C48/515—Screws with internal flow passages, e.g. for molten material for auxiliary fluids, e.g. foaming agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/53—Screws having a varying channel depth, e.g. varying the diameter of the longitudinal screw trunk
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
    • B29C48/845—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/875—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling for achieving a non-uniform temperature distribution, e.g. using barrels having both cooling and heating zones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
GB133874A 1973-01-16 1974-01-11 Twin-screw or multiscrew extruder for plasticising and mixing plastics materials Expired GB1452396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT34273*#A AT328170B (de) 1973-01-16 1973-01-16 Mehrschnecken-strangpresse fur das plastifizieren und mischen von kunststoffen

Publications (1)

Publication Number Publication Date
GB1452396A true GB1452396A (en) 1976-10-13

Family

ID=3488047

Family Applications (1)

Application Number Title Priority Date Filing Date
GB133874A Expired GB1452396A (en) 1973-01-16 1974-01-11 Twin-screw or multiscrew extruder for plasticising and mixing plastics materials

Country Status (12)

Country Link
US (1) US3884607A (xx)
JP (1) JPS5236775B2 (xx)
AT (1) AT328170B (xx)
AU (1) AU6454874A (xx)
BE (1) BE809795A (xx)
CS (1) CS185635B2 (xx)
DD (1) DD109826A5 (xx)
FR (1) FR2213849B1 (xx)
GB (1) GB1452396A (xx)
LU (1) LU69124A1 (xx)
NL (1) NL7400596A (xx)
SE (1) SE414288B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166079A (en) * 1984-10-10 1986-04-30 Bp Chem Int Ltd Internally heated extruder screw for thermoplastic extrusion process

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3970821A (en) * 1974-10-21 1976-07-20 Fast Heat Element Manufacturing Co., Inc. Electrically heated torpedo
JPS5337762U (xx) * 1976-09-06 1978-04-03
AT392932B (de) * 1987-10-12 1991-07-10 Plastronica Ag Vorwaerm- und dosiervorrichtung
US5405536A (en) * 1990-04-06 1995-04-11 Rdp Company Process and apparatus for pathogen reduction in waste
NL9000840A (nl) * 1990-04-10 1991-11-01 Wavin Bv Werkwijze en installatie voor het vervaardigen van kunststofvoortbrengsels met behulp van een warm mengsel van pvc-poeder en additieven, alsmede een voor toepassing bij deze werkwijze geschikte warmmenger.
GB9109814D0 (en) * 1991-05-07 1991-06-26 Christian Engineering Apparatus for continuously mixing and heating flowable materials
US5273356A (en) * 1991-06-07 1993-12-28 Farrel Corporation Rotor zone cooling method and apparatus for rotors in continuous mixers of plastic materials
US5180225A (en) * 1991-06-07 1993-01-19 Farrel Corporation Rotor zone cooling apparatus for rotors in continuous mixers of plastic materials
US5198170A (en) * 1991-09-19 1993-03-30 The B. F. Goodrich Company Method for extrusion of powered PVC compounds
EP0680402B1 (en) * 1993-01-22 1999-03-17 Cincinnati Milacron Inc. Preheating apparatus for an extruder
DE19607666C1 (de) * 1996-02-29 1997-07-10 Fritsch Rosemarie I Compoundiermaschine
DE19638994B4 (de) * 1996-09-23 2009-02-26 Bühler AG Vorrichtung zum Homogenisieren, Mischen und/oder Granulieren von chemischen Stoffen
FR2995986A1 (fr) * 2012-09-21 2014-03-28 E T I A Evaluation Technologique Ingenierie Et Applic Dispositif de traitement thermique d'un produit
DE102022123406A1 (de) * 2022-09-14 2024-03-14 KraussMaffei Extrusion GmbH Doppelschneckenextruder und verfahren zum verarbeiten eines kautschukmaterials

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449355A (en) * 1947-07-28 1948-09-14 Dow Chemical Co Internal two-zone heat control for plastics extruders
BE548552A (xx) * 1955-06-14 1900-01-01
US3007198A (en) * 1958-12-05 1961-11-07 Monsanto Chemicals Extruder screw
DE1917051U (de) * 1961-03-27 1965-06-03 Lavorazione Mat Plastiche Sas Nach dem schneckenprinzip arbeitende foerdervorrichtung zum beschicken von strangpressen mit thermoplastischem kunststoffpulver bzw.-granulat.
US3391051A (en) * 1965-04-19 1968-07-02 Bell & Richardson Inc De Thermoplastic foam sheet material and apparatus for the manufacture thereof
GB1132898A (en) * 1965-08-13 1968-11-06 Werner & Pfleiderer Multi-stage screw treatment device
US3331100A (en) * 1966-01-06 1967-07-18 Dow Chemical Co Extrusion apparatus
DE1604394A1 (de) * 1966-02-03 1972-08-31 Werner & Pfleiderer Schneckenmaschine
DE2030755A1 (de) * 1970-06-23 1971-12-30 Barmag Barmer Maschf Schnecke mit einer Temperaturausgleichsspitze für eine kontinuierlich arbeitende Schneckenstrangpresse
US3826477A (en) * 1971-04-13 1974-07-30 Meiki Seisakusho Kk Injection molding machine with a venting device
US3822867A (en) * 1972-10-17 1974-07-09 Improved Machinery Inc Control apparatus and methods for molding machinery

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2166079A (en) * 1984-10-10 1986-04-30 Bp Chem Int Ltd Internally heated extruder screw for thermoplastic extrusion process

Also Published As

Publication number Publication date
FR2213849B1 (xx) 1976-11-26
ATA34273A (de) 1975-05-15
BE809795A (fr) 1974-05-02
DD109826A5 (xx) 1974-11-20
SE414288B (sv) 1980-07-21
JPS5236775B2 (xx) 1977-09-17
DE2365149B2 (de) 1976-09-16
LU69124A1 (xx) 1974-04-02
AU6454874A (en) 1975-07-17
NL7400596A (xx) 1974-07-18
FR2213849A1 (xx) 1974-08-09
AT328170B (de) 1976-03-10
DE2365149A1 (de) 1974-09-26
JPS49105862A (xx) 1974-10-07
US3884607A (en) 1975-05-20
CS185635B2 (en) 1978-10-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee